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I don't believe there are any symptoms. The only one I can think of is when it snaps on you while your on the highway. The timing belt should get changed out at every 90K miles
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Drives: 2007 Toyota Corolla S
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Yup, what he said. The belt won't give symptoms, other than breaking. I believe the dealers can check for internal frequencies that relate to the belt and know if it's going, but if you are past the 90k mark, I would have it changed.
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I had a timing belt go on me this past winter, and there was no warning at all. Going up a very steep, curved road and blam ...it went. Worst possible place to be stalled and I had three dogs in the car. Thank God for nice people who helped me.
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You're absolutely right.
It was actually very hazardous where it happened. A narrow, hilly road where there was no place to pull over properly and where other traffic couldn't see me until they were on top of me. Whew.
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Drives: Toyota tercel,1993, 4 cylinder
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actually when I was fixing my valves in the head of my car I saw some cracks and I told a mechanic about the cracks and he suggested for me to change it out plus when you buy a timing belt it gives you warnings of your belt wearing out :D so there are definatly symptoms check for the round curve on the belt that fits onto your cam sprocket and check for cracks on the timing belt :D